Roller apparatus



FIG. 1 is a perspective view of a roller apparatus according to the design;

FIG. 2 is a planar view of one side of the roller apparatus according to the design;

FIG. 3 is a planar view of the opposite side of the design for the roller apparatus;

FIG. 4 is a planar view of one end of the design for the roller apparatus; and,

FIG. 5 is a planar view of the opposite end of the design for the roller apparatus.

The broken-line disclosure in the views is understood to represent a portion of the article in which the claimed design is embodied, but which forms no part of the claimed design. 

I claim the ornamental design for a roller apparatus, as shown and described. 